/*********************************************************************************
*  Copyright (c) 2010-2011, Elliott Cooper-Balis
*                             Paul Rosenfeld
*                             Bruce Jacob
*                             University of Maryland 
*                             dramninjas [at] gmail [dot] com
*  All rights reserved.
*  
*  Redistribution and use in source and binary forms, with or without
*  modification, are permitted provided that the following conditions are met:
*  
*     * Redistributions of source code must retain the above copyright notice,
*        this list of conditions and the following disclaimer.
*  
*     * Redistributions in binary form must reproduce the above copyright notice,
*        this list of conditions and the following disclaimer in the documentation
*        and/or other materials provided with the distribution.
*  
*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
*  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
*  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
*  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
*  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
*  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
*  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
*  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*********************************************************************************/
#include "SimulatorObject.h"
#include "Transaction.h"
#include "SystemConfiguration.h"
#include "MemorySystem.h"
#include "IniReader.h"


namespace DRAMSim {


class MultiChannelMemorySystem : public SimulatorObject 
{
	public: 

            MultiChannelMemorySystem(const string &dev, const string &sys, const string &pwd, const string &trc, 
                                     unsigned megsOfMemory, string *visFilename=NULL, 
                                     const IniReader::OverrideMap *paramOverrides=NULL, 
                                     void* mSys=NULL);
            virtual ~MultiChannelMemorySystem();
            bool addTransaction(Transaction &trans);
            bool addTransaction(bool isWrite, uint64_t addr);
            bool WillAcceptTransaction(uint64_t addr);
            bool willAcceptTransaction(); 
            bool willAcceptTransaction(uint64_t addr); 
            void update();
            void printStats();
            void regStats();     // gem5 stats
            void RegisterCallbacks( 
                                   TransactionCompleteCB *readDone,
                                   TransactionCompleteCB *writeDone,
                                   void (*reportPower)(double bgpower, double burstpower, double refreshpower, double actprepower));

            void InitOutputFiles(string tracefilename);

            //output file
            std::ofstream visDataOut;

        private:
            unsigned findChannelNumber(uint64_t addr);
            vector<MemorySystem*> channels; 
            unsigned megsOfMemory; 
            string deviceIniFilename;
            string systemIniFilename;
            string traceFilename;
            string pwd;
            string *visFilename;
            static void mkdirIfNotExist(string path);
            static bool fileExists(string path); 

};
}
